Notes: 129903-22081 PISTON ASSY is original YANMAR product. 129903-22081 PISTON ASSY4 is commonly used in transmissions/axles/engines 4TNE98-HAF, 4TNE98-HYF, 4TNE98-HYF, 4TNE98-HAF, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849